Account Proof

Prove account ownership of a Flow account

Flow provides a way for dApps to ask for users' signatures when they connect a wallet and verify account ownership. For more information, refer to Account Proof on Flow.

Currently Blocto self-custody accounts generate this signature slightly differently and needs an alternative way to verify ownership.

import { AppUtils } from '@blocto/fcl'

const isSignatureValid = await AppUtils.verifyAccountProof(
  appIdentifier,
  {
    address,
    nonce,
    signatures,
  },
  {
    fclCryptoContract: BLOCTO_FCLCRYPTO_CONTRACT_ADDRESS
  }
)

The addresses of the Blocto FCLCrypto contract BLOCTO_FCLCRYPTO_CONTRACT_ADDRESS can be found here:

Network	Blocto FCLCrypto Address
Mainnet	0xdb6b70764af4ff68
Testnet	0x5b250a8a85b44a67

More about verifyAccountProof api